~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2009 Sun Microsystems

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <drizzled/server_includes.h>

#include <drizzled/show.h>

#include <drizzled/session.h>

#include <drizzled/command/show_status.h>

int drizzled::command::ShowStatus::execute()

{

  TableList *all_tables= session->lex->query_tables;

  system_status_var old_status_var= session->status_var;

  session->initial_status_var= &old_status_var;

  int res= execute_sqlcom_select(session, all_tables);

  /* Don't log SHOW STATUS commands to slow query log */

  session->server_status&= ~(SERVER_QUERY_NO_INDEX_USED |

                             SERVER_QUERY_NO_GOOD_INDEX_USED);

  /*

   * Restore status variables, as we don't want 'SHOW STATUS' to

   * cause changes.

   */

  pthread_mutex_lock(show_lock);

  add_diff_to_status(&global_status_var,

                     &session->status_var,

                     &old_status_var);

  session->status_var= old_status_var;

  pthread_mutex_unlock(show_lock);

  return res;

}